1 //===-- Linux implementation of the thrd_create function ------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/threads/thrd_create.h" 10 #include "src/__support/common.h" 11 #include "src/__support/threads/thread.h" 12 13 #include <errno.h> 14 #include <threads.h> // For thrd_* type definitions. 15 16 namespace LIBC_NAMESPACE { 17 18 static_assert(sizeof(thrd_t) == sizeof(LIBC_NAMESPACE::Thread), 19 "Mismatch between thrd_t and internal Thread."); 20 21 LLVM_LIBC_FUNCTION(int, thrd_create, 22 (thrd_t * th, thrd_start_t func, void *arg)) { 23 auto *thread = reinterpret_cast<LIBC_NAMESPACE::Thread *>(th); 24 int result = thread->run(func, arg); 25 if (result == 0) 26 return thrd_success; 27 else if (result == ENOMEM) 28 return thrd_nomem; 29 else 30 return thrd_error; 31 } 32 33 } // namespace LIBC_NAMESPACE 34